Logical Positivism

Logical Positivism - Logical Positivism What are its...

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Logical Positivism What are its primary doctrines 1. analytic/synthetic distinction – A claim is true or false in virtue of their meaning alone, once one unpacks the subject of a sentence the predicate is found in it – these claims do not have substantive truth 2. Verification Theory The Verification Theory of Meaning What is it? A non analytic statement is only verifiable by sense experience, so any meaningful sentence must have consequences testable by observation What would be an example of a sentence that is meaningless according to its proponents? The Nothing Nothings. * Is there any vagueness in what the view really amounts to? If So What is it? 1. Cant always in practice verify a sentence. In principle, you still cant always verify what is a meaningful sentances 2. It is not clear what verify means, I can only verify the content of my senses. Senses can be wrong though too personal and private. (Phenomenalism) 3. Vagueness in the word verify, what counts, how? 4. Vagueness in the word able, practice or principle? What attractions does the view have? 1. Distinguishes meaningless philosophy, such as Heideggers’ Nothing Nothings, with actual science. 2. Our Ability to understand large portions of language is based on experience and sense. So for sentances like ‘The Table in my kitchen is red’ we can not know what the sentence means without the sense expierence of a seeing a red table. Thus our understanding of language remains tied to sense expierence. 3. Enables us to dissolve philosophical problems like the external world What Problems does it face? 1. Vagueness 2. Self Refuting What is in practice verifiability versus in principle verifiability? What motivates drawing this distinction? 1. Cant always in practice verify a sentence. In principle, you still cant always verify what is a meaningful sentances Analytic Versus Synthetic statements What is it for a statement to be analytic? 1. analytic statements are true or false in virtue of their meaning alone, once one unpacks the subject of a sentence the predicate is found in it. All triangles have three sides. 2. Synthetic – non analytic, truth of a synthetic does depend on the world. The President of the United States is Barack Obama A Priori versus synthetic a posteriori
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What is a priori knowledge? Claims that can be known to be true without observation What is a posteriori knowledge? One needs to use senses to know that they are true. What are some plausible examples of a priori knowledge? I think therefore I am How is the analytic/synthetic distinction relevant to the apriori/a posteriori distinction? These can be combined Analytic – a priori Synthetic – a post Synthetic - a priori? Yes – rationalists
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Logical Positivism - Logical Positivism What are its...

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